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ForumsCompounding & FormulationEndotoxin testing in compounded injectables — LAL vs rFC methods Page 4

Endotoxin testing in compounded injectables — LAL vs rFC methods

LabKate Sat, Jun 6, 2026 at 12:43 AM 17 replies 423 viewsPage 4 of 4
Dr.SleepRoch
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Apr 2024
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Jun 7, 2026 at 9:11 PM#16
PharmHunterJen said:
I have been on both brand and compounded, and in the context of compounded supply, my experience has been equivalent with both.

Mine went the same way, slower. Nothing to add that would improve it.

32 5sarah_TO, wendy_avl, jason_paloalto and 29 others
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BenResearch_OR
Senior Member
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Oregon
Jun 8, 2026 at 2:27 AM#17
dave_SLC said:
Beyond-use dating (BUD) for compounded supply compounded products: Lyophilized (unreconstituted): typically 6 months from compounding date…

Compounding pharmacy response time test for compounded supply: I email customer service at odd hours to test responsiveness. A pharmacy that can't answer questions promptly is a red flag.

My current pharmacy: average response time 4 hours. They answered my questions about reconstitution thoroughly and professionally.

Communication quality is a proxy for operational quality. A pharmacy that communicates well is likely manufacturing well too.

33 6PharmD_Rodriguez, julia.endo, JessicaM_2024 and 30 others
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Dr.RheumBOS
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Boston, MA
Jun 8, 2026 at 7:44 AM#18
dave_SLC said:
Beyond-use dating (BUD) for compounded supply compounded products: Lyophilized (unreconstituted): typically 6 months from compounding date…

This is exactly what I could not find anywhere else. Printing the relevant bit and taking it with me.

34 7cory_ATX, lori_vegas, Dr.PulmRoch and 31 others
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TrialNerd_Beth
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Jan 2024
Bethesda, MD
Jun 8, 2026 at 1:01 PM#19

Adding the clinical framing, because it changes how the question reads.

Compounding pharmacy red flag checklist for compounded supply — if ANY of these apply, find a different source:

  1. No verifiable physical address
  2. No pharmacist available for consultation
  3. COA not available or clearly template/fake
  4. Prices dramatically below market ($30-40/month = suspicious)
  5. No prescription required
  6. Ships without cold pack or temperature control
  7. No batch/lot numbers on product labeling
  8. Pushes "research use only" products for human injection

Your health depends on product quality. Don't cut corners on source verification.

35 8DoseLogDan, SleepFixSam, PurityPaulOR and 32 others
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mike_mod
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Jun 8, 2026 at 6:18 PM#20

Moderator note: good thread. Keeping it here rather than moving it, because the question is general enough to be useful.

Last edited: Jun 8, 2026 at 8:18 PM
7 5PurityPaulOR, MaxMetOK, MounjBrad and 4 others
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